| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 26540.0 | USD | 20180801 |
| Unknown | China national standards | MT | 2120.0 | USD | 20180722 |
| Unknown | China national standards | MT | 13700.0 | USD | 20180720 |
| Unknown | China national standards | MT | 2150.0 | USD | 20180714 |
| Unknown | China national standards | MT | 14010.0 | USD | 20180701 |
| Unknown | China national standards | MT | 4360.0 | USD | 20180516 |
| Unknown | China national standards | MT | 4380.0 | USD | 20180515 |
| Unknown | China national standards | MT | 27550.0 | USD | 20180501 |
| Unknown | China national standards | MT | 27550.0 | USD | 20180501 |
| Unknown | China national standards | MT | 7310.0 | USD | 20180416 |